An extensive tutorial on how to work with XML, JSON and Google's protocol buffers within Android applications. It shows how to "develop a Web service that converts CSV data into XML, JSON, and protocol-buffers formats. Then you'll build a sample Android application that can pull the data from the Web service in any of these formats and parse it for display to the user". Assumes Froyo 2.2. Also shows a short comparison in performance between the three protocols.

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I'm a professional software designer/architect/developer with over 20 years of experience. For many years I've been a Technical Team Lead for complex ICT projects. My main area of focus is Java application architectures and related challenges (scalability, performance etcetera), but I'm interested in any software application architecture. Currently Android has got a lot of my attention. I will be posting lessons learned, and lessons that I'll be learning during the coming years :-)